technologie question #4494



Amy B (Genre: femelle, Àge: 34 années) de the Internet sur 19 décembre, 2008 demande:

Q:

It is snowing today and the wind is blowing from the east but the snow is collecting on the west side of my car. Why is that?

vu 15301 fois

la réponse

Barry Shell répondu le 19 décembre, 2008, R:
This is because the pressure is lower on the West side. The snow is too light to collect on the side with the wind, the East side. On the west side there is a sort of "wind shadow" where the pressure is lower due to your car blocking the wind. Since there is less wind (lower pressure) on the lee side of your car (the west side), that is where the snow collects because it is less disturbed by wind. Here is a website that explains the physics of a snow fence: and click on the link at the bottom of that page, too.
Ajoutez à ou commentez sur cette réponse en utilisant la forme ci-dessous.
(requis)
(requis pour la réponse)
Note : Toutes les soumissions sont modérées avant d'être signalé.
Si vous avez trouvé cette réponse utile, s'il vous plait considérez
faire un petit don à science.ca.